Description

4-Hexenoic Acid Ethyl Ester is a versatile, unsaturated ester with a distinctive chemical structure that makes it a valuable intermediate in organic synthesis. Its primary commercial value lies in its utility as a building block for creating more complex molecules, particularly in the pharmaceutical and fragrance industries. This compound is essential for research and development chemists, flavor and fragrance houses, and manufacturers of fine chemicals seeking to introduce specific functional groups into their target molecules.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs), particularly those requiring unsaturated carbon chains.
• Flavor & Fragrance Ingredient: Used in the synthesis of esters and lactones that contribute fruity, green, or fatty notes to perfumes and food flavorings.
• Organic Synthesis Building Block: Employed in various reactions, including Michael additions, hydrogenations, and cyclizations, to construct complex organic frameworks.
• Polymer & Material Science: Acts as a monomer or co-monomer in the development of specialty polymers with tailored properties.
• Agrochemical Synthesis: Utilized as an intermediate in the manufacture of certain pesticides and herbicides.
• Research & Development: A critical reagent in academic and industrial R&D labs for exploring new synthetic methodologies and creating novel chemical entities.

Basic Information

Product Name	4-Hexenoic Acid Ethyl Ester
CAS No.	51368-03-7
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	Ethyl 4-Hexenoate; Ethyl hex-4-enoate; 4-Hexenoic acid ethyl ester; Ethyl 4-hexenoic acid ester; But-3-enylacetic acid ethyl ester; 3-Buten-1-ylacetic acid ethyl ester; 4-Hexenoic acid, ethyl ester; Ethyl (4-hexenoate)
EINECS	Contact for details

Quality Control

Our 4-Hexenoic Acid Ethyl Ester is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment, ensuring full traceability and compliance with your internal quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining under an inert atmosphere to preserve quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.420 - 1.425
Specific Gravity (20°C)	0.890 - 0.910

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.